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Diffstat (limited to 'sites/www/installing.rst')
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1 files changed, 24 insertions, 56 deletions
diff --git a/sites/www/installing.rst b/sites/www/installing.rst index a657c3fc..dc20590e 100644 --- a/sites/www/installing.rst +++ b/sites/www/installing.rst @@ -16,14 +16,14 @@ via `pip <http://pip-installer.org>`_:: Users who want the bleeding edge can install the development version via ``pip install paramiko==dev``. -We currently support **Python 2.6, 2.7 and 3.3+** (Python **3.2** should also -work but has a less-strong compatibility guarantee from us.) Users on Python -2.5 or older are urged to upgrade. +We currently support **Python 2.6, 2.7, 3.3+, and PyPy** (Python **3.2** should +also work but has a less-strong compatibility guarantee from us.) Users on +Python 2.5 or older are urged to upgrade. -Paramiko has two hard dependencies: the pure-Python ECDSA module ``ecdsa``, and the -PyCrypto C extension. ``ecdsa`` is easily installable from wherever you -obtained Paramiko's package; PyCrypto may require more work. Read on for -details. +Paramiko has three hard dependencies: the pure-Python ECDSA module ``ecdsa`` +and ASN1 module ``pyasn1``, and the Cryptography library. ``ecdsa`` is easily +installable from wherever you obtained Paramiko's package; Cryptography may +require more work. Read on for details. If you need GSS-API / SSPI support, see :ref:`the below subsection on it <gssapi>` for details on additional dependencies. @@ -50,61 +50,31 @@ If you're unsure which version to install, we have suggestions: stops being supported. -PyCrypto -======== +Cryptography +============ -`PyCrypto <https://www.dlitz.net/software/pycrypto/>`_ provides the low-level -(C-based) encryption algorithms we need to implement the SSH protocol. There -are a couple gotchas associated with installing PyCrypto: its compatibility -with Python's package tools, and the fact that it is a C-based extension. +`Cryptography <https://cryptography.io>`_ provides the low-level (C-based) +encryption algorithms we need to implement the SSH protocol. There are a few +things to be aware of when installing Cryptography, because it includes a +C-extension. C extension ----------- Unless you are installing from a precompiled source such as a Debian apt -repository or RedHat RPM, or using :ref:`pypm <pypm>`, you will also need the -ability to build Python C-based modules from source in order to install -PyCrypto. Users on **Unix-based platforms** such as Ubuntu or Mac OS X will -need the traditional C build toolchain installed (e.g. Developer Tools / XCode -Tools on the Mac, or the ``build-essential`` package on Ubuntu or Debian Linux --- basically, anything with ``gcc``, ``make`` and so forth) as well as the -Python development libraries, often named ``python-dev`` or similar. - -For **Windows** users we recommend using :ref:`pypm`, installing a C -development environment such as `Cygwin <http://cygwin.com>`_ or obtaining a -precompiled Win32 PyCrypto package from `voidspace's Python modules page -<http://www.voidspace.org.uk/python/modules.shtml#pycrypto>`_. - -.. note:: - Some Windows users whose Python is 64-bit have found that the PyCrypto - dependency ``winrandom`` may not install properly, leading to ImportErrors. - In this scenario, you'll probably need to compile ``winrandom`` yourself - via e.g. MS Visual Studio. See `Fabric #194 - <https://github.com/fabric/fabric/issues/194>`_ for info. - - -.. _pypm: - -ActivePython and PyPM -===================== - -Windows users who already have ActiveState's `ActivePython -<http://www.activestate.com/activepython/downloads>`_ distribution installed -may find Paramiko is best installed with `its package manager, PyPM -<http://code.activestate.com/pypm/>`_. Below is example output from an -installation of Paramiko via ``pypm``:: - - C:\> pypm install paramiko - The following packages will be installed into "%APPDATA%\Python" (2.7): - paramiko-1.7.8 pycrypto-2.4 - Get: [pypm-free.activestate.com] paramiko 1.7.8 - Get: [pypm-free.activestate.com] pycrypto 2.4 - Installing paramiko-1.7.8 - Installing pycrypto-2.4 - C:\> +repository or RedHat RPM,, you will also need the ability to build Python +C-based modules from source in order to install Cryptography. Users on **Unix- +based platforms** such as Ubuntu or Mac OS X will need the traditional C build +toolchain installed (e.g. Developer Tools / XCode Tools on the Mac, or the +``build-essential`` package on Ubuntu or Debian Linux -- basically, anything +with ``gcc``, ``make`` and so forth) as well as the Python development +libraries, often named ``python-dev`` or similar, OpenSSL headers, often named +``libssl-dev``, and libffi development libraries, often named ``libffi-dev``. +For **Windows** users we recommend using the most recent version of ``pip``, +Cryptography has binary wheels on PyPI, which remove the need for having a C +compiler. -.. _gssapi: Optional dependencies for GSS-API / SSPI / Kerberos =================================================== @@ -115,8 +85,6 @@ due to their infrequent utility & non-platform-agnostic requirements): * It hopefully goes without saying but **all platforms** need **a working installation of GSS-API itself**, e.g. Heimdal. -* **All platforms** need `pyasn1 <https://pypi.python.org/pypi/pyasn1>`_ - ``0.1.7`` or better. * **Unix** needs `python-gssapi <https://pypi.python.org/pypi/python-gssapi/>`_ ``0.6.1`` or better. |